With the previous patch, resolves are additionally performed on layout
transitions. Remove the now unnecessary implicit resolves within render
passes.
Signed-off-by: Nanley Chery <nanley.g.ch...@intel.com>
---
src/intel/vulkan/anv_blorp.c | 139 -------------------------------------------
1 file changed, 139 deletions(-)
diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c
index 24f03367e8..ee4566d71d 100644
--- a/src/intel/vulkan/anv_blorp.c
+++ b/src/intel/vulkan/anv_blorp.c
@@ -1373,134 +1373,6 @@ void anv_CmdResolveImage(
blorp_batch_finish(&batch);
}
-static void
-ccs_resolve_attachment(struct anv_cmd_buffer *cmd_buffer,
- struct blorp_batch *batch,
- uint32_t att)
-{
- struct anv_framebuffer *fb = cmd_buffer->state.framebuffer;
- struct anv_attachment_state *att_state =
- &cmd_buffer->state.attachments[att];
-
- if (att_state->aux_usage == ISL_AUX_USAGE_NONE ||
- att_state->aux_usage == ISL_AUX_USAGE_MCS ||
- att_state->fast_clear == false)
- return; /* Nothing to resolve */
-
- assert(att_state->aux_usage == ISL_AUX_USAGE_CCS_E ||
- att_state->aux_usage == ISL_AUX_USAGE_CCS_D);
-
- struct anv_render_pass *pass = cmd_buffer->state.pass;
- const uint32_t subpass_idx = anv_get_subpass_id(&cmd_buffer->state);
-
- /* Scan forward to see what all ways this attachment will be used.
- * Ideally, we would like to resolve in the same subpass as the last write
- * of a particular attachment. That way we only resolve once but it's
- * still hot in the cache.
- */
- bool found_draw = false;
- enum anv_subpass_usage usage = 0;
- for (uint32_t s = subpass_idx + 1; s < pass->subpass_count; s++) {
- usage |= pass->attachments[att].subpass_usage[s];
-
- if (usage & (ANV_SUBPASS_USAGE_DRAW | ANV_SUBPASS_USAGE_RESOLVE_DST)) {
- /* We found another subpass that draws to this attachment. We'll
- * wait to resolve until then.
- */
- found_draw = true;
- break;
- }
- }
-
- struct anv_image_view *iview = fb->attachments[att];
- const struct anv_image *image = iview->image;
- assert(image->aspects == VK_IMAGE_ASPECT_COLOR_BIT);
-
- enum blorp_fast_clear_op resolve_op = BLORP_FAST_CLEAR_OP_NONE;
- if (!found_draw) {
- /* This is the last subpass that writes to this attachment so we need to
- * resolve here. Ideally, we would like to only resolve if the storeOp
- * is set to VK_ATTACHMENT_STORE_OP_STORE. However, we need to ensure
- * that the CCS bits are set to "resolved" because there may be copy or
- * blit operations (which may ignore CCS) between now and the next time
- * we render and we need to ensure that anything they write will be
- * respected in the next render. Unfortunately, the hardware does not
- * provide us with any sort of "invalidate" pass that sets the CCS to
- * "resolved" without writing to the render target.
- */
- if (iview->image->aux_usage != ISL_AUX_USAGE_CCS_E) {
- /* The image destination surface doesn't support compression outside
- * the render pass. We need a full resolve.
- */
- resolve_op = BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
- } else {
- /* We don't know what to do with clear colors outside the render
- * pass. We need a partial resolve. Only transparent black is
- * built into the surface state object and thus no resolve is
- * required for this case.
- */
- if (att_state->clear_value.color.uint32[0] ||
- att_state->clear_value.color.uint32[1] ||
- att_state->clear_value.color.uint32[2] ||
- att_state->clear_value.color.uint32[3])
- resolve_op = BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL;
- }
- } else if (usage & ANV_SUBPASS_USAGE_INPUT) {
- /* Input attachments are clear-color aware so, at least on Sky Lake, we
- * can frequently sample from them with no resolves at all.
- */
- if (att_state->aux_usage != att_state->input_aux_usage) {
- assert(att_state->input_aux_usage == ISL_AUX_USAGE_NONE);
- resolve_op = BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
- } else if (!att_state->clear_color_is_zero_one) {
- /* Sky Lake PRM, Vol. 2d, RENDER_SURFACE_STATE::Red Clear Color:
- *
- * "If Number of Multisamples is MULTISAMPLECOUNT_1 AND if this RT
- * is fast cleared with non-0/1 clear value, this RT must be
- * partially resolved (refer to Partial Resolve operation) before
- * binding this surface to Sampler."
- */
- resolve_op = BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL;
- }
- }
-
- if (resolve_op == BLORP_FAST_CLEAR_OP_NONE)
- return;
-
- struct blorp_surf surf;
- get_blorp_surf_for_anv_image(image, VK_IMAGE_ASPECT_COLOR_BIT,
- att_state->aux_usage, &surf);
- surf.clear_color = vk_to_isl_color(att_state->clear_value.color);
-
- /* From the Sky Lake PRM Vol. 7, "Render Target Resolve":
- *
- * "When performing a render target resolve, PIPE_CONTROL with end of
- * pipe sync must be delivered."
- *
- * This comment is a bit cryptic and doesn't really tell you what's going
- * or what's really needed. It appears that fast clear ops are not
- * properly synchronized with other drawing. We need to use a PIPE_CONTROL
- * to ensure that the contents of the previous draw hit the render target
- * before we resolve and then use a second PIPE_CONTROL after the resolve
- * to ensure that it is completed before any additional drawing occurs.
- */
- cmd_buffer->state.pending_pipe_bits |=
- ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT | ANV_PIPE_CS_STALL_BIT;
-
- for (uint32_t layer = 0; layer < fb->layers; layer++) {
- blorp_ccs_resolve(batch, &surf,
- iview->isl.base_level,
- iview->isl.base_array_layer + layer,
- iview->isl.format, resolve_op);
- }
-
- cmd_buffer->state.pending_pipe_bits |=
- ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT | ANV_PIPE_CS_STALL_BIT;
-
- /* Once we've done any sort of resolve, we're no longer fast-cleared */
- att_state->fast_clear = false;
-}
-
void
anv_cmd_buffer_resolve_subpass(struct anv_cmd_buffer *cmd_buffer)
{
@@ -1511,15 +1383,6 @@ anv_cmd_buffer_resolve_subpass(struct anv_cmd_buffer
*cmd_buffer)
struct blorp_batch batch;
blorp_batch_init(&cmd_buffer->device->blorp, &batch, cmd_buffer, 0);
- for (uint32_t i = 0; i < subpass->color_count; ++i) {
- const uint32_t att = subpass->color_attachments[i].attachment;
- if (att == VK_ATTACHMENT_UNUSED)
- continue;
-
- assert(att < cmd_buffer->state.pass->attachment_count);
- ccs_resolve_attachment(cmd_buffer, &batch, att);
- }
-
if (subpass->has_resolve) {
/* We are about to do some MSAA resolves. We need to flush so that the
* result of writes to the MSAA color attachments show up in the sampler
@@ -1566,8 +1429,6 @@ anv_cmd_buffer_resolve_subpass(struct anv_cmd_buffer
*cmd_buffer)
render_area.offset.x, render_area.offset.y,
render_area.offset.x, render_area.offset.y,
render_area.extent.width, render_area.extent.height);
-
- ccs_resolve_attachment(cmd_buffer, &batch, dst_att);
}
}
--
2.12.2
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
